ul{list-style: none;}

.tab-container{
	position: relative;
	overflow: hidden;
	width: 500px;
	height: 400px;
	margin: 0 auto;
	border: 2px solid lightseagreen;
}
.tab-nav{
	display: flex;
	justify-content: space-around;
}
.tab-nav li{
	border-top-right-radius: 20px;
	background: red;
	line-height: 40px;
	font-size: 25px;
	color: wheat;
	text-align: center;
	flex-grow: 1;
}
.tab-content{
	position: absolute;
	left: 0;
	width: 500%;
	/*display: flex;*/
	justify-content: space-around;
	border: 2px solid darkgrey;
	height: calc(100% - 40px);
}
.tab-item{
	float: left;
	width: 500px;
	height: 100%;
	text-align: center;
	background: gold;
}
.tab-nav .active{
	background: blueviolet;
}
